mohon pertanyaan ini dijawab

1. r (jari2) = 1/2 x D = 1/2 x 34 = 17 cm
Luasnya = n x r x r = 3,14 x 17 x 17 = 907,46 cm2

2. r (jari2) = 1/2 x D = 1/2 x 36 = 18 cm
Luasnya = n x r x r = 3,14 x 18 x 18 = 1017,36 cm2

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